Genuine OEM Audi Engine Coolant Pipe, part number 7L6121065AG. This pipe is a vital component in the engine cooling system, responsible for transporting coolant to various parts of the engine to regulate temperature. It is integrated within the engine bay cooling circuit. The pipe weighs approximately 0.54 kg and measures 0.495 m in length. Choosing a genuine OEM coolant pipe ensures the correct routing geometry, material composition for fluid resistance, and leak-free performance.